AC-Input Power Supply Features
There are two versions of the 750 W AC-input power supply, the C4KX-PWR-750AC-F power supply which has back-to-front airflow (the release lever is color-coded blue indicating cool side) and the C4KX-PWR-750AC-F power supply which has front-to-back airflow (the release lever is color-coded burgundy indicating warm side). Both power supplies provide 750 W of power.
Note:
AC-input power supplies are not included as part of the basic chassis configuration product numbers. The AC-input power supplies are ordered separately.